St. Francis Day (aka the Blessing of the Animals) at St. John the Divine, the Little Red Lighthouse Festival—plus more fun things to do this weekend in Harlem and beyond. Little Red Lighthouse Festival Saturday, October 3 noon-4pm FREE Washington Heights Fort Washington Park near 178th St (enter park at 158th St or 181st St) Celebrate the iconic Little Red Lighthouse—located on the banks of the Hudson River underneath the George Washington Bridge—with tours, readings of the e